Alternative form of still waters run deep

(literally) One feels a physical shock upon realizing a direct threat to one's life, similar to the loss of blood in the brain. It affects the entire body for a few minutes, but does not cause the person to lose consciousness.

Third-person singular simple present indicative form of run like a dry creek

Third-person singular simple present indicative form of run something up the flagpole

plural of Little League home run

Third-person singular simple present indicative form of hold with the hare and run with the hounds

Third-person singular simple present indicative form of run someone off their feet

(idiomatic) To begin an activity immediately and with full commitment.

(idiomatic, sports) To preserve a lead in a game by retaining possession, to waste time.

To outperform by a great margin.